body {
    position: fixed;
    margin: 0;
    padding: 0;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-image: url("../resources/bg.jpeg");
    background-size: cover;
    background-repeat: no-repeat;
}

.mainbox {
    width: 1200px;
    height: 740px;
    position: fixed;
    top: -50%;
    left: 50%;
    margin-top: -370px;
    margin-left: -600px;
    background-image: url("../resources/login_picture.jpg");
    background-size: contain;
    background-position: left;
    box-shadow: 0 0 50px 0 #0008;
    transition: top .6s ease-out;
}

.mainbox .loginbox {
    width: 38%;
    position: absolute;
    right: 0;
    top: 0;
    background-color: #fff;
    height: 100%;
    box-sizing: border-box;
    border: none;
}

